Add FlushForTesting to InterfacePtr and Binding.

mojo/public/cpp/bindings/associated_binding.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_BINDING_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_BINDING_H_
 
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "mojo/public/cpp/bindings/associated_group.h"
 #include "mojo/public/cpp/bindings/associated_group_controller.h"
 #include "mojo/public/cpp/bindings/associated_interface_request.h"
 #include "mojo/public/cpp/bindings/interface_endpoint_client.h"
+#include "mojo/public/cpp/bindings/lib/control_message_proxy.h"
 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h"
 
 namespace mojo {
 
 class MessageReceiver;
 
 // Represents the implementation side of an associated interface. It is similar
 // to Binding, except that it doesn't own a message pipe handle.
 //
 // When you bind this class to a request, optionally you can specify a
@@ skipping 64 matching lines @@
         << "other side of the message pipe.";
 
     if (!handle.is_valid() || !handle.is_local()) {
       endpoint_client_.reset();
       return;
     }
 
     endpoint_client_.reset(new InterfaceEndpointClient(
         std::move(handle), &stub_,
         base::WrapUnique(new typename Interface::RequestValidator_()),
-        Interface::HasSyncMethods_, std::move(runner)));
+        Interface::HasSyncMethods_, std::move(runner), Interface::Version_));
     endpoint_client_->set_connection_error_handler(
         base::Bind(&AssociatedBinding::RunConnectionErrorHandler,
                    base::Unretained(this)));
 
     stub_.serialization_context()->group_controller =
         endpoint_client_->group_controller();
   }
 
   // Adds a message filter to be notified of each incoming message before
   // dispatch. If a filter returns |false| from Accept(), the message is not
@@ skipping 41 matching lines @@
 
   // Indicates whether the associated binding has been completed.
   bool is_bound() const { return !!endpoint_client_; }
 
   // Returns the associated group that this object belongs to. Returns null if
   // the object is not bound.
   AssociatedGroup* associated_group() {
     return endpoint_client_ ? endpoint_client_->associated_group() : nullptr;
   }
 
+  // Sends a message on the underlying message pipe and runs the current
+  // message loop until its response is received. This can be used in tests to
+  // verify that no message was sent on a message pipe in response to some
+  // stimulus.
+  void FlushForTesting() {
+    endpoint_client_->control_message_proxy()->FlushForTesting();
+  }
+
  private:
   void RunConnectionErrorHandler() {
     if (!connection_error_handler_.is_null())
       connection_error_handler_.Run();
   }
 
   std::unique_ptr<InterfaceEndpointClient> endpoint_client_;
 
   typename Interface::Stub_ stub_;
   Interface* impl_;
   base::Closure connection_error_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(AssociatedBinding);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_BINDING_H_